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改错题 Tom wasn't bought (300) envelopes from the post office yesterday.否定句:一般疑问句:划线提问:Sorry!

题目详情
改错题 Tom wasn't bought (300) envelopes from the post office yesterday.否定句:一般疑问句:
划线提问:
Sorry!
▼优质解答
答案和解析
was not bought